90990010

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{36251}}^1$

素因数の和:36509

約数の個数: 16

約数和(自身を含む): 164439072

約数和(自身を除く): 73449062

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 36251, 72502, 181255, 362510, 9099001, 18198002, 45495005, 90990010]

約数ペア:

[(1, 90990010), (2, 45495005), (5, 18198002), (10, 9099001), (251, 362510), (502, 181255), (1255, 72502), (2510, 36251)]